Home / 7,275.47-10,913.48-2,345.18

Finding the Fourth Proportional to 7,275.47, 10,913.48 and 2,345.18

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Solution

The fourth proportional to 7,275.47, 10,913.48 and 2,345.18 is: 3,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.47 : 10,913.48 = 2,345.18 : x
  2. Step 2: Convert to fraction form
    7,275.47/10,913.48 = 2,345.18/x
  3. Step 3: Cross multiply
    7,275.47x = 10,913.48 × 2,345.18
  4. Step 4: Simplify right side
    7,275.47x = 25,594,099.38
  5. Step 5: Solve for x
    x = 25,594,099.38/7,275.47
  6. Step 6: Final answer
    x = 3,517.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.