Home / 7,323.56-10,987.68-2,643.52

Finding the Fourth Proportional to 7,323.56, 10,987.68 and 2,643.52

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Solution

The fourth proportional to 7,323.56, 10,987.68 and 2,643.52 is: 3,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.56 : 10,987.68 = 2,643.52 : x
  2. Step 2: Convert to fraction form
    7,323.56/10,987.68 = 2,643.52/x
  3. Step 3: Cross multiply
    7,323.56x = 10,987.68 × 2,643.52
  4. Step 4: Simplify right side
    7,323.56x = 29,046,151.83
  5. Step 5: Solve for x
    x = 29,046,151.83/7,323.56
  6. Step 6: Final answer
    x = 3,966.13

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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.