Home / 7,378.24-10,181.32-4,689.24

Finding the Fourth Proportional to 7,378.24, 10,181.32 and 4,689.24

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Solution

The fourth proportional to 7,378.24, 10,181.32 and 4,689.24 is: 6,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.24 : 10,181.32 = 4,689.24 : x
  2. Step 2: Convert to fraction form
    7,378.24/10,181.32 = 4,689.24/x
  3. Step 3: Cross multiply
    7,378.24x = 10,181.32 × 4,689.24
  4. Step 4: Simplify right side
    7,378.24x = 47,742,653.00
  5. Step 5: Solve for x
    x = 47,742,653.00/7,378.24
  6. Step 6: Final answer
    x = 6,470.74

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.