Home / 5,550.15-7,657.02-3,560.40

Finding the Fourth Proportional to 5,550.15, 7,657.02 and 3,560.40

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Solution

The fourth proportional to 5,550.15, 7,657.02 and 3,560.40 is: 4,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.15 : 7,657.02 = 3,560.40 : x
  2. Step 2: Convert to fraction form
    5,550.15/7,657.02 = 3,560.40/x
  3. Step 3: Cross multiply
    5,550.15x = 7,657.02 × 3,560.40
  4. Step 4: Simplify right side
    5,550.15x = 27,262,054.01
  5. Step 5: Solve for x
    x = 27,262,054.01/5,550.15
  6. Step 6: Final answer
    x = 4,911.95

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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.