Home / 5,552.80-8,330.34-1,657.40

Finding the Fourth Proportional to 5,552.80, 8,330.34 and 1,657.40

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Solution

The fourth proportional to 5,552.80, 8,330.34 and 1,657.40 is: 2,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.80 : 8,330.34 = 1,657.40 : x
  2. Step 2: Convert to fraction form
    5,552.80/8,330.34 = 1,657.40/x
  3. Step 3: Cross multiply
    5,552.80x = 8,330.34 × 1,657.40
  4. Step 4: Simplify right side
    5,552.80x = 13,806,705.52
  5. Step 5: Solve for x
    x = 13,806,705.52/5,552.80
  6. Step 6: Final answer
    x = 2,486.44

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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.