Home / 7,926.66-10,938.98-4,390.13

Finding the Fourth Proportional to 7,926.66, 10,938.98 and 4,390.13

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Solution

The fourth proportional to 7,926.66, 10,938.98 and 4,390.13 is: 6,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.66 : 10,938.98 = 4,390.13 : x
  2. Step 2: Convert to fraction form
    7,926.66/10,938.98 = 4,390.13/x
  3. Step 3: Cross multiply
    7,926.66x = 10,938.98 × 4,390.13
  4. Step 4: Simplify right side
    7,926.66x = 48,023,582.59
  5. Step 5: Solve for x
    x = 48,023,582.59/7,926.66
  6. Step 6: Final answer
    x = 6,058.49

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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.