Home / 9,264.78-12,785.45-5,073.03

Finding the Fourth Proportional to 9,264.78, 12,785.45 and 5,073.03

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Solution

The fourth proportional to 9,264.78, 12,785.45 and 5,073.03 is: 7,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.78 : 12,785.45 = 5,073.03 : x
  2. Step 2: Convert to fraction form
    9,264.78/12,785.45 = 5,073.03/x
  3. Step 3: Cross multiply
    9,264.78x = 12,785.45 × 5,073.03
  4. Step 4: Simplify right side
    9,264.78x = 64,860,946.05
  5. Step 5: Solve for x
    x = 64,860,946.05/9,264.78
  6. Step 6: Final answer
    x = 7,000.81

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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.