Home / 7,659.90-10,570.50-4,517.10

Finding the Fourth Proportional to 7,659.90, 10,570.50 and 4,517.10

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Solution

The fourth proportional to 7,659.90, 10,570.50 and 4,517.10 is: 6,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.90 : 10,570.50 = 4,517.10 : x
  2. Step 2: Convert to fraction form
    7,659.90/10,570.50 = 4,517.10/x
  3. Step 3: Cross multiply
    7,659.90x = 10,570.50 × 4,517.10
  4. Step 4: Simplify right side
    7,659.90x = 47,748,005.55
  5. Step 5: Solve for x
    x = 47,748,005.55/7,659.90
  6. Step 6: Final answer
    x = 6,233.50

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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.