Home / 5,639.60-8,459.80-1,744.32

Finding the Fourth Proportional to 5,639.60, 8,459.80 and 1,744.32

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Solution

The fourth proportional to 5,639.60, 8,459.80 and 1,744.32 is: 2,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.60 : 8,459.80 = 1,744.32 : x
  2. Step 2: Convert to fraction form
    5,639.60/8,459.80 = 1,744.32/x
  3. Step 3: Cross multiply
    5,639.60x = 8,459.80 × 1,744.32
  4. Step 4: Simplify right side
    5,639.60x = 14,756,598.34
  5. Step 5: Solve for x
    x = 14,756,598.34/5,639.60
  6. Step 6: Final answer
    x = 2,616.60

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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.