Home / 4,677.15-6,454.75-2,688

Finding the Fourth Proportional to 4,677.15, 6,454.75 and 2,688

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Solution

The fourth proportional to 4,677.15, 6,454.75 and 2,688 is: 3,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.15 : 6,454.75 = 2,688 : x
  2. Step 2: Convert to fraction form
    4,677.15/6,454.75 = 2,688/x
  3. Step 3: Cross multiply
    4,677.15x = 6,454.75 × 2,688
  4. Step 4: Simplify right side
    4,677.15x = 17,350,368
  5. Step 5: Solve for x
    x = 17,350,368/4,677.15
  6. Step 6: Final answer
    x = 3,709.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.