Home / 6,386.95-8,815.04-3,733.84

Finding the Fourth Proportional to 6,386.95, 8,815.04 and 3,733.84

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Solution

The fourth proportional to 6,386.95, 8,815.04 and 3,733.84 is: 5,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.95 : 8,815.04 = 3,733.84 : x
  2. Step 2: Convert to fraction form
    6,386.95/8,815.04 = 3,733.84/x
  3. Step 3: Cross multiply
    6,386.95x = 8,815.04 × 3,733.84
  4. Step 4: Simplify right side
    6,386.95x = 32,913,948.95
  5. Step 5: Solve for x
    x = 32,913,948.95/6,386.95
  6. Step 6: Final answer
    x = 5,153.31

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1.5x scale

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.