Home / 7,839.11-10,818.02-4,254.10

Finding the Fourth Proportional to 7,839.11, 10,818.02 and 4,254.10

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Solution

The fourth proportional to 7,839.11, 10,818.02 and 4,254.10 is: 5,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.11 : 10,818.02 = 4,254.10 : x
  2. Step 2: Convert to fraction form
    7,839.11/10,818.02 = 4,254.10/x
  3. Step 3: Cross multiply
    7,839.11x = 10,818.02 × 4,254.10
  4. Step 4: Simplify right side
    7,839.11x = 46,020,938.88
  5. Step 5: Solve for x
    x = 46,020,938.88/7,839.11
  6. Step 6: Final answer
    x = 5,870.68

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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.