Home / 9,042.57-12,479.45-5,065.02

Finding the Fourth Proportional to 9,042.57, 12,479.45 and 5,065.02

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Solution

The fourth proportional to 9,042.57, 12,479.45 and 5,065.02 is: 6,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.57 : 12,479.45 = 5,065.02 : x
  2. Step 2: Convert to fraction form
    9,042.57/12,479.45 = 5,065.02/x
  3. Step 3: Cross multiply
    9,042.57x = 12,479.45 × 5,065.02
  4. Step 4: Simplify right side
    9,042.57x = 63,208,638.51
  5. Step 5: Solve for x
    x = 63,208,638.51/9,042.57
  6. Step 6: Final answer
    x = 6,990.12

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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.