Home / 7,265.28-10,030.32-4,612.80

Finding the Fourth Proportional to 7,265.28, 10,030.32 and 4,612.80

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Solution

The fourth proportional to 7,265.28, 10,030.32 and 4,612.80 is: 6,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.28 : 10,030.32 = 4,612.80 : x
  2. Step 2: Convert to fraction form
    7,265.28/10,030.32 = 4,612.80/x
  3. Step 3: Cross multiply
    7,265.28x = 10,030.32 × 4,612.80
  4. Step 4: Simplify right side
    7,265.28x = 46,267,860.10
  5. Step 5: Solve for x
    x = 46,267,860.10/7,265.28
  6. Step 6: Final answer
    x = 6,368.35

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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.