Home / 5,402.57-8,103.15-1,705.16

Finding the Fourth Proportional to 5,402.57, 8,103.15 and 1,705.16

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Solution

The fourth proportional to 5,402.57, 8,103.15 and 1,705.16 is: 2,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.57 : 8,103.15 = 1,705.16 : x
  2. Step 2: Convert to fraction form
    5,402.57/8,103.15 = 1,705.16/x
  3. Step 3: Cross multiply
    5,402.57x = 8,103.15 × 1,705.16
  4. Step 4: Simplify right side
    5,402.57x = 13,817,187.51
  5. Step 5: Solve for x
    x = 13,817,187.51/5,402.57
  6. Step 6: Final answer
    x = 2,557.52

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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.