Home / 6,275.48-9,405.12-2,989.58

Finding the Fourth Proportional to 6,275.48, 9,405.12 and 2,989.58

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Solution

The fourth proportional to 6,275.48, 9,405.12 and 2,989.58 is: 4,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.48 : 9,405.12 = 2,989.58 : x
  2. Step 2: Convert to fraction form
    6,275.48/9,405.12 = 2,989.58/x
  3. Step 3: Cross multiply
    6,275.48x = 9,405.12 × 2,989.58
  4. Step 4: Simplify right side
    6,275.48x = 28,117,358.65
  5. Step 5: Solve for x
    x = 28,117,358.65/6,275.48
  6. Step 6: Final answer
    x = 4,480.51

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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.