Home / 5,312.56-7,332.84-4,257.68

Finding the Fourth Proportional to 5,312.56, 7,332.84 and 4,257.68

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Solution

The fourth proportional to 5,312.56, 7,332.84 and 4,257.68 is: 5,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.56 : 7,332.84 = 4,257.68 : x
  2. Step 2: Convert to fraction form
    5,312.56/7,332.84 = 4,257.68/x
  3. Step 3: Cross multiply
    5,312.56x = 7,332.84 × 4,257.68
  4. Step 4: Simplify right side
    5,312.56x = 31,220,886.21
  5. Step 5: Solve for x
    x = 31,220,886.21/5,312.56
  6. Step 6: Final answer
    x = 5,876.81

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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.