Home / 7,528.60-10,393.14-5,012.20

Finding the Fourth Proportional to 7,528.60, 10,393.14 and 5,012.20

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Solution

The fourth proportional to 7,528.60, 10,393.14 and 5,012.20 is: 6,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.60 : 10,393.14 = 5,012.20 : x
  2. Step 2: Convert to fraction form
    7,528.60/10,393.14 = 5,012.20/x
  3. Step 3: Cross multiply
    7,528.60x = 10,393.14 × 5,012.20
  4. Step 4: Simplify right side
    7,528.60x = 52,092,496.31
  5. Step 5: Solve for x
    x = 52,092,496.31/7,528.60
  6. Step 6: Final answer
    x = 6,919.28

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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.