Home / 4,646.91-6,970.76-1,315.17

Finding the Fourth Proportional to 4,646.91, 6,970.76 and 1,315.17

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Solution

The fourth proportional to 4,646.91, 6,970.76 and 1,315.17 is: 1,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646.91 : 6,970.76 = 1,315.17 : x
  2. Step 2: Convert to fraction form
    4,646.91/6,970.76 = 1,315.17/x
  3. Step 3: Cross multiply
    4,646.91x = 6,970.76 × 1,315.17
  4. Step 4: Simplify right side
    4,646.91x = 9,167,737.72
  5. Step 5: Solve for x
    x = 9,167,737.72/4,646.91
  6. Step 6: Final answer
    x = 1,972.87

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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.