Home / 7,298.09-10,890.19-6,512.69

Finding the Fourth Proportional to 7,298.09, 10,890.19 and 6,512.69

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Solution

The fourth proportional to 7,298.09, 10,890.19 and 6,512.69 is: 9,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.09 : 10,890.19 = 6,512.69 : x
  2. Step 2: Convert to fraction form
    7,298.09/10,890.19 = 6,512.69/x
  3. Step 3: Cross multiply
    7,298.09x = 10,890.19 × 6,512.69
  4. Step 4: Simplify right side
    7,298.09x = 70,924,398.95
  5. Step 5: Solve for x
    x = 70,924,398.95/7,298.09
  6. Step 6: Final answer
    x = 9,718.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.