Home / 9,114.46-12,580.05-5,579.62

Finding the Fourth Proportional to 9,114.46, 12,580.05 and 5,579.62

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Solution

The fourth proportional to 9,114.46, 12,580.05 and 5,579.62 is: 7,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.46 : 12,580.05 = 5,579.62 : x
  2. Step 2: Convert to fraction form
    9,114.46/12,580.05 = 5,579.62/x
  3. Step 3: Cross multiply
    9,114.46x = 12,580.05 × 5,579.62
  4. Step 4: Simplify right side
    9,114.46x = 70,191,898.58
  5. Step 5: Solve for x
    x = 70,191,898.58/9,114.46
  6. Step 6: Final answer
    x = 7,701.16

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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.