Home / 7,272.48-10,037.13-5,282.28

Finding the Fourth Proportional to 7,272.48, 10,037.13 and 5,282.28

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Solution

The fourth proportional to 7,272.48, 10,037.13 and 5,282.28 is: 7,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.48 : 10,037.13 = 5,282.28 : x
  2. Step 2: Convert to fraction form
    7,272.48/10,037.13 = 5,282.28/x
  3. Step 3: Cross multiply
    7,272.48x = 10,037.13 × 5,282.28
  4. Step 4: Simplify right side
    7,272.48x = 53,018,931.06
  5. Step 5: Solve for x
    x = 53,018,931.06/7,272.48
  6. Step 6: Final answer
    x = 7,290.35

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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.