Home / 7,531.02-10,391.28-4,878.06

Finding the Fourth Proportional to 7,531.02, 10,391.28 and 4,878.06

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Solution

The fourth proportional to 7,531.02, 10,391.28 and 4,878.06 is: 6,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.02 : 10,391.28 = 4,878.06 : x
  2. Step 2: Convert to fraction form
    7,531.02/10,391.28 = 4,878.06/x
  3. Step 3: Cross multiply
    7,531.02x = 10,391.28 × 4,878.06
  4. Step 4: Simplify right side
    7,531.02x = 50,689,287.32
  5. Step 5: Solve for x
    x = 50,689,287.32/7,531.02
  6. Step 6: Final answer
    x = 6,730.73

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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.