Home / 6,918.60-9,566.10-6,043.80

Finding the Fourth Proportional to 6,918.60, 9,566.10 and 6,043.80

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Solution

The fourth proportional to 6,918.60, 9,566.10 and 6,043.80 is: 8,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.60 : 9,566.10 = 6,043.80 : x
  2. Step 2: Convert to fraction form
    6,918.60/9,566.10 = 6,043.80/x
  3. Step 3: Cross multiply
    6,918.60x = 9,566.10 × 6,043.80
  4. Step 4: Simplify right side
    6,918.60x = 57,815,595.18
  5. Step 5: Solve for x
    x = 57,815,595.18/6,918.60
  6. Step 6: Final answer
    x = 8,356.55

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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.