Home / 7,108.49-9,809.53-4,124.14

Finding the Fourth Proportional to 7,108.49, 9,809.53 and 4,124.14

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Solution

The fourth proportional to 7,108.49, 9,809.53 and 4,124.14 is: 5,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.49 : 9,809.53 = 4,124.14 : x
  2. Step 2: Convert to fraction form
    7,108.49/9,809.53 = 4,124.14/x
  3. Step 3: Cross multiply
    7,108.49x = 9,809.53 × 4,124.14
  4. Step 4: Simplify right side
    7,108.49x = 40,455,840.22
  5. Step 5: Solve for x
    x = 40,455,840.22/7,108.49
  6. Step 6: Final answer
    x = 5,691.20

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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.