Home / 7,281.10-10,921.65-6,114.70

Finding the Fourth Proportional to 7,281.10, 10,921.65 and 6,114.70

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Solution

The fourth proportional to 7,281.10, 10,921.65 and 6,114.70 is: 9,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.10 : 10,921.65 = 6,114.70 : x
  2. Step 2: Convert to fraction form
    7,281.10/10,921.65 = 6,114.70/x
  3. Step 3: Cross multiply
    7,281.10x = 10,921.65 × 6,114.70
  4. Step 4: Simplify right side
    7,281.10x = 66,782,613.26
  5. Step 5: Solve for x
    x = 66,782,613.26/7,281.10
  6. Step 6: Final answer
    x = 9,172.05

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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.