Home / 8,532.90-12,776.31-4,420.26

Finding the Fourth Proportional to 8,532.90, 12,776.31 and 4,420.26

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Solution

The fourth proportional to 8,532.90, 12,776.31 and 4,420.26 is: 6,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.90 : 12,776.31 = 4,420.26 : x
  2. Step 2: Convert to fraction form
    8,532.90/12,776.31 = 4,420.26/x
  3. Step 3: Cross multiply
    8,532.90x = 12,776.31 × 4,420.26
  4. Step 4: Simplify right side
    8,532.90x = 56,474,612.04
  5. Step 5: Solve for x
    x = 56,474,612.04/8,532.90
  6. Step 6: Final answer
    x = 6,618.45

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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.