Home / 9,328.60-13,989.64-2,753.04

Finding the Fourth Proportional to 9,328.60, 13,989.64 and 2,753.04

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Solution

The fourth proportional to 9,328.60, 13,989.64 and 2,753.04 is: 4,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.60 : 13,989.64 = 2,753.04 : x
  2. Step 2: Convert to fraction form
    9,328.60/13,989.64 = 2,753.04/x
  3. Step 3: Cross multiply
    9,328.60x = 13,989.64 × 2,753.04
  4. Step 4: Simplify right side
    9,328.60x = 38,514,038.51
  5. Step 5: Solve for x
    x = 38,514,038.51/9,328.60
  6. Step 6: Final answer
    x = 4,128.60

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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.