Home / 7,486.20-10,327.14-5,130.60

Finding the Fourth Proportional to 7,486.20, 10,327.14 and 5,130.60

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Solution

The fourth proportional to 7,486.20, 10,327.14 and 5,130.60 is: 7,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.20 : 10,327.14 = 5,130.60 : x
  2. Step 2: Convert to fraction form
    7,486.20/10,327.14 = 5,130.60/x
  3. Step 3: Cross multiply
    7,486.20x = 10,327.14 × 5,130.60
  4. Step 4: Simplify right side
    7,486.20x = 52,984,424.48
  5. Step 5: Solve for x
    x = 52,984,424.48/7,486.20
  6. Step 6: Final answer
    x = 7,077.61

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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.