Home / 4,740.77-7,113-1,966.74

Finding the Fourth Proportional to 4,740.77, 7,113 and 1,966.74

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Solution

The fourth proportional to 4,740.77, 7,113 and 1,966.74 is: 2,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.77 : 7,113 = 1,966.74 : x
  2. Step 2: Convert to fraction form
    4,740.77/7,113 = 1,966.74/x
  3. Step 3: Cross multiply
    4,740.77x = 7,113 × 1,966.74
  4. Step 4: Simplify right side
    4,740.77x = 13,989,421.62
  5. Step 5: Solve for x
    x = 13,989,421.62/4,740.77
  6. Step 6: Final answer
    x = 2,950.88

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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.