Home / 5,920.70-8,165.55-3,562.40

Finding the Fourth Proportional to 5,920.70, 8,165.55 and 3,562.40

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Solution

The fourth proportional to 5,920.70, 8,165.55 and 3,562.40 is: 4,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.70 : 8,165.55 = 3,562.40 : x
  2. Step 2: Convert to fraction form
    5,920.70/8,165.55 = 3,562.40/x
  3. Step 3: Cross multiply
    5,920.70x = 8,165.55 × 3,562.40
  4. Step 4: Simplify right side
    5,920.70x = 29,088,955.32
  5. Step 5: Solve for x
    x = 29,088,955.32/5,920.70
  6. Step 6: Final answer
    x = 4,913.09

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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.