Home / 5,580.81-7,701.20-3,342.17

Finding the Fourth Proportional to 5,580.81, 7,701.20 and 3,342.17

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Solution

The fourth proportional to 5,580.81, 7,701.20 and 3,342.17 is: 4,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.81 : 7,701.20 = 3,342.17 : x
  2. Step 2: Convert to fraction form
    5,580.81/7,701.20 = 3,342.17/x
  3. Step 3: Cross multiply
    5,580.81x = 7,701.20 × 3,342.17
  4. Step 4: Simplify right side
    5,580.81x = 25,738,702.89
  5. Step 5: Solve for x
    x = 25,738,702.89/5,580.81
  6. Step 6: Final answer
    x = 4,612.01

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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.