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Finding the Fourth Proportional to 7,041.62, 9,714.51 and 4,523.19

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Solution

The fourth proportional to 7,041.62, 9,714.51 and 4,523.19 is: 6,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.62 : 9,714.51 = 4,523.19 : x
  2. Step 2: Convert to fraction form
    7,041.62/9,714.51 = 4,523.19/x
  3. Step 3: Cross multiply
    7,041.62x = 9,714.51 × 4,523.19
  4. Step 4: Simplify right side
    7,041.62x = 43,940,574.49
  5. Step 5: Solve for x
    x = 43,940,574.49/7,041.62
  6. Step 6: Final answer
    x = 6,240.13

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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.