Home / 7,420.28-10,246.93-4,772.29

Finding the Fourth Proportional to 7,420.28, 10,246.93 and 4,772.29

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Solution

The fourth proportional to 7,420.28, 10,246.93 and 4,772.29 is: 6,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.28 : 10,246.93 = 4,772.29 : x
  2. Step 2: Convert to fraction form
    7,420.28/10,246.93 = 4,772.29/x
  3. Step 3: Cross multiply
    7,420.28x = 10,246.93 × 4,772.29
  4. Step 4: Simplify right side
    7,420.28x = 48,901,321.57
  5. Step 5: Solve for x
    x = 48,901,321.57/7,420.28
  6. Step 6: Final answer
    x = 6,590.23

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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.