Home / 5,207.52-7,807.86-2,085.24

Finding the Fourth Proportional to 5,207.52, 7,807.86 and 2,085.24

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Solution

The fourth proportional to 5,207.52, 7,807.86 and 2,085.24 is: 3,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.52 : 7,807.86 = 2,085.24 : x
  2. Step 2: Convert to fraction form
    5,207.52/7,807.86 = 2,085.24/x
  3. Step 3: Cross multiply
    5,207.52x = 7,807.86 × 2,085.24
  4. Step 4: Simplify right side
    5,207.52x = 16,281,261.99
  5. Step 5: Solve for x
    x = 16,281,261.99/5,207.52
  6. Step 6: Final answer
    x = 3,126.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.