Home / 6,581.60-9,872.40-1,901.60

Finding the Fourth Proportional to 6,581.60, 9,872.40 and 1,901.60

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Solution

The fourth proportional to 6,581.60, 9,872.40 and 1,901.60 is: 2,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.60 : 9,872.40 = 1,901.60 : x
  2. Step 2: Convert to fraction form
    6,581.60/9,872.40 = 1,901.60/x
  3. Step 3: Cross multiply
    6,581.60x = 9,872.40 × 1,901.60
  4. Step 4: Simplify right side
    6,581.60x = 18,773,355.84
  5. Step 5: Solve for x
    x = 18,773,355.84/6,581.60
  6. Step 6: Final answer
    x = 2,852.40

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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.