Home / 7,398.61-10,210.38-4,254.80

Finding the Fourth Proportional to 7,398.61, 10,210.38 and 4,254.80

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Solution

The fourth proportional to 7,398.61, 10,210.38 and 4,254.80 is: 5,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.61 : 10,210.38 = 4,254.80 : x
  2. Step 2: Convert to fraction form
    7,398.61/10,210.38 = 4,254.80/x
  3. Step 3: Cross multiply
    7,398.61x = 10,210.38 × 4,254.80
  4. Step 4: Simplify right side
    7,398.61x = 43,443,128.02
  5. Step 5: Solve for x
    x = 43,443,128.02/7,398.61
  6. Step 6: Final answer
    x = 5,871.79

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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.