Home / 8,854.19-13,274.78-5,345.45

Finding the Fourth Proportional to 8,854.19, 13,274.78 and 5,345.45

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Solution

The fourth proportional to 8,854.19, 13,274.78 and 5,345.45 is: 8,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.19 : 13,274.78 = 5,345.45 : x
  2. Step 2: Convert to fraction form
    8,854.19/13,274.78 = 5,345.45/x
  3. Step 3: Cross multiply
    8,854.19x = 13,274.78 × 5,345.45
  4. Step 4: Simplify right side
    8,854.19x = 70,959,646.02
  5. Step 5: Solve for x
    x = 70,959,646.02/8,854.19
  6. Step 6: Final answer
    x = 8,014.24

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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.