Home / 7,039.68-10,552.08-2,655.24

Finding the Fourth Proportional to 7,039.68, 10,552.08 and 2,655.24

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Solution

The fourth proportional to 7,039.68, 10,552.08 and 2,655.24 is: 3,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.68 : 10,552.08 = 2,655.24 : x
  2. Step 2: Convert to fraction form
    7,039.68/10,552.08 = 2,655.24/x
  3. Step 3: Cross multiply
    7,039.68x = 10,552.08 × 2,655.24
  4. Step 4: Simplify right side
    7,039.68x = 28,018,304.90
  5. Step 5: Solve for x
    x = 28,018,304.90/7,039.68
  6. Step 6: Final answer
    x = 3,980.05

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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.