Home / 7,491.28-10,345.80-4,698.32

Finding the Fourth Proportional to 7,491.28, 10,345.80 and 4,698.32

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Solution

The fourth proportional to 7,491.28, 10,345.80 and 4,698.32 is: 6,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.28 : 10,345.80 = 4,698.32 : x
  2. Step 2: Convert to fraction form
    7,491.28/10,345.80 = 4,698.32/x
  3. Step 3: Cross multiply
    7,491.28x = 10,345.80 × 4,698.32
  4. Step 4: Simplify right side
    7,491.28x = 48,607,879.06
  5. Step 5: Solve for x
    x = 48,607,879.06/7,491.28
  6. Step 6: Final answer
    x = 6,488.59

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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.