Home / 8,041.28-12,080.40-5,707.08

Finding the Fourth Proportional to 8,041.28, 12,080.40 and 5,707.08

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Solution

The fourth proportional to 8,041.28, 12,080.40 and 5,707.08 is: 8,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.28 : 12,080.40 = 5,707.08 : x
  2. Step 2: Convert to fraction form
    8,041.28/12,080.40 = 5,707.08/x
  3. Step 3: Cross multiply
    8,041.28x = 12,080.40 × 5,707.08
  4. Step 4: Simplify right side
    8,041.28x = 68,943,809.23
  5. Step 5: Solve for x
    x = 68,943,809.23/8,041.28
  6. Step 6: Final answer
    x = 8,573.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.