Home / 4,030.90-6,046.80-1,257.55

Finding the Fourth Proportional to 4,030.90, 6,046.80 and 1,257.55

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Solution

The fourth proportional to 4,030.90, 6,046.80 and 1,257.55 is: 1,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.90 : 6,046.80 = 1,257.55 : x
  2. Step 2: Convert to fraction form
    4,030.90/6,046.80 = 1,257.55/x
  3. Step 3: Cross multiply
    4,030.90x = 6,046.80 × 1,257.55
  4. Step 4: Simplify right side
    4,030.90x = 7,604,153.34
  5. Step 5: Solve for x
    x = 7,604,153.34/4,030.90
  6. Step 6: Final answer
    x = 1,886.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.