Home / 4,712-7,068.20-1,790.50

Finding the Fourth Proportional to 4,712, 7,068.20 and 1,790.50

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Solution

The fourth proportional to 4,712, 7,068.20 and 1,790.50 is: 2,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712 : 7,068.20 = 1,790.50 : x
  2. Step 2: Convert to fraction form
    4,712/7,068.20 = 1,790.50/x
  3. Step 3: Cross multiply
    4,712x = 7,068.20 × 1,790.50
  4. Step 4: Simplify right side
    4,712x = 12,655,612.10
  5. Step 5: Solve for x
    x = 12,655,612.10/4,712
  6. Step 6: Final answer
    x = 2,685.83

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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.