Home / 8,895.78-12,276.36-5,358.24

Finding the Fourth Proportional to 8,895.78, 12,276.36 and 5,358.24

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Solution

The fourth proportional to 8,895.78, 12,276.36 and 5,358.24 is: 7,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.78 : 12,276.36 = 5,358.24 : x
  2. Step 2: Convert to fraction form
    8,895.78/12,276.36 = 5,358.24/x
  3. Step 3: Cross multiply
    8,895.78x = 12,276.36 × 5,358.24
  4. Step 4: Simplify right side
    8,895.78x = 65,779,683.21
  5. Step 5: Solve for x
    x = 65,779,683.21/8,895.78
  6. Step 6: Final answer
    x = 7,394.48

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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.