Home / 7,618.59-10,515.02-5,528.79

Finding the Fourth Proportional to 7,618.59, 10,515.02 and 5,528.79

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Solution

The fourth proportional to 7,618.59, 10,515.02 and 5,528.79 is: 7,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.59 : 10,515.02 = 5,528.79 : x
  2. Step 2: Convert to fraction form
    7,618.59/10,515.02 = 5,528.79/x
  3. Step 3: Cross multiply
    7,618.59x = 10,515.02 × 5,528.79
  4. Step 4: Simplify right side
    7,618.59x = 58,135,309.78
  5. Step 5: Solve for x
    x = 58,135,309.78/7,618.59
  6. Step 6: Final answer
    x = 7,630.72

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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.