Home / 9,275.18-12,800.63-5,296.59

Finding the Fourth Proportional to 9,275.18, 12,800.63 and 5,296.59

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Solution

The fourth proportional to 9,275.18, 12,800.63 and 5,296.59 is: 7,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.18 : 12,800.63 = 5,296.59 : x
  2. Step 2: Convert to fraction form
    9,275.18/12,800.63 = 5,296.59/x
  3. Step 3: Cross multiply
    9,275.18x = 12,800.63 × 5,296.59
  4. Step 4: Simplify right side
    9,275.18x = 67,799,702.09
  5. Step 5: Solve for x
    x = 67,799,702.09/9,275.18
  6. Step 6: Final answer
    x = 7,309.80

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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.