Home / 7,926.66-10,938.84-4,389.92

Finding the Fourth Proportional to 7,926.66, 10,938.84 and 4,389.92

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Solution

The fourth proportional to 7,926.66, 10,938.84 and 4,389.92 is: 6,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.66 : 10,938.84 = 4,389.92 : x
  2. Step 2: Convert to fraction form
    7,926.66/10,938.84 = 4,389.92/x
  3. Step 3: Cross multiply
    7,926.66x = 10,938.84 × 4,389.92
  4. Step 4: Simplify right side
    7,926.66x = 48,020,632.49
  5. Step 5: Solve for x
    x = 48,020,632.49/7,926.66
  6. Step 6: Final answer
    x = 6,058.12

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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.