Home / 6,618.33-9,135.35-4,260.47

Finding the Fourth Proportional to 6,618.33, 9,135.35 and 4,260.47

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Solution

The fourth proportional to 6,618.33, 9,135.35 and 4,260.47 is: 5,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.33 : 9,135.35 = 4,260.47 : x
  2. Step 2: Convert to fraction form
    6,618.33/9,135.35 = 4,260.47/x
  3. Step 3: Cross multiply
    6,618.33x = 9,135.35 × 4,260.47
  4. Step 4: Simplify right side
    6,618.33x = 38,920,851.89
  5. Step 5: Solve for x
    x = 38,920,851.89/6,618.33
  6. Step 6: Final answer
    x = 5,880.77

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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.