Home / 5,688.90-8,535.02-2,917.50

Finding the Fourth Proportional to 5,688.90, 8,535.02 and 2,917.50

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Solution

The fourth proportional to 5,688.90, 8,535.02 and 2,917.50 is: 4,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.90 : 8,535.02 = 2,917.50 : x
  2. Step 2: Convert to fraction form
    5,688.90/8,535.02 = 2,917.50/x
  3. Step 3: Cross multiply
    5,688.90x = 8,535.02 × 2,917.50
  4. Step 4: Simplify right side
    5,688.90x = 24,900,920.85
  5. Step 5: Solve for x
    x = 24,900,920.85/5,688.90
  6. Step 6: Final answer
    x = 4,377.11

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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.