Home / 6,078.48-9,117.46-1,921.47

Finding the Fourth Proportional to 6,078.48, 9,117.46 and 1,921.47

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Solution

The fourth proportional to 6,078.48, 9,117.46 and 1,921.47 is: 2,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.48 : 9,117.46 = 1,921.47 : x
  2. Step 2: Convert to fraction form
    6,078.48/9,117.46 = 1,921.47/x
  3. Step 3: Cross multiply
    6,078.48x = 9,117.46 × 1,921.47
  4. Step 4: Simplify right side
    6,078.48x = 17,518,925.87
  5. Step 5: Solve for x
    x = 17,518,925.87/6,078.48
  6. Step 6: Final answer
    x = 2,882.13

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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.