Home / 8,312.50-11,471.49-4,586.74

Finding the Fourth Proportional to 8,312.50, 11,471.49 and 4,586.74

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Solution

The fourth proportional to 8,312.50, 11,471.49 and 4,586.74 is: 6,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.50 : 11,471.49 = 4,586.74 : x
  2. Step 2: Convert to fraction form
    8,312.50/11,471.49 = 4,586.74/x
  3. Step 3: Cross multiply
    8,312.50x = 11,471.49 × 4,586.74
  4. Step 4: Simplify right side
    8,312.50x = 52,616,742.04
  5. Step 5: Solve for x
    x = 52,616,742.04/8,312.50
  6. Step 6: Final answer
    x = 6,329.83

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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.