Home / 7,739.68-10,681.16-4,382.52

Finding the Fourth Proportional to 7,739.68, 10,681.16 and 4,382.52

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Solution

The fourth proportional to 7,739.68, 10,681.16 and 4,382.52 is: 6,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.68 : 10,681.16 = 4,382.52 : x
  2. Step 2: Convert to fraction form
    7,739.68/10,681.16 = 4,382.52/x
  3. Step 3: Cross multiply
    7,739.68x = 10,681.16 × 4,382.52
  4. Step 4: Simplify right side
    7,739.68x = 46,810,397.32
  5. Step 5: Solve for x
    x = 46,810,397.32/7,739.68
  6. Step 6: Final answer
    x = 6,048.11

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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.