Home / 6,386.04-8,808.60-4,116.36

Finding the Fourth Proportional to 6,386.04, 8,808.60 and 4,116.36

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Solution

The fourth proportional to 6,386.04, 8,808.60 and 4,116.36 is: 5,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.04 : 8,808.60 = 4,116.36 : x
  2. Step 2: Convert to fraction form
    6,386.04/8,808.60 = 4,116.36/x
  3. Step 3: Cross multiply
    6,386.04x = 8,808.60 × 4,116.36
  4. Step 4: Simplify right side
    6,386.04x = 36,259,368.70
  5. Step 5: Solve for x
    x = 36,259,368.70/6,386.04
  6. Step 6: Final answer
    x = 5,677.91

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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.