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Finding the Fourth Proportional to 4,368.78, 6,030.78 and 2,600.55

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Solution

The fourth proportional to 4,368.78, 6,030.78 and 2,600.55 is: 3,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.78 : 6,030.78 = 2,600.55 : x
  2. Step 2: Convert to fraction form
    4,368.78/6,030.78 = 2,600.55/x
  3. Step 3: Cross multiply
    4,368.78x = 6,030.78 × 2,600.55
  4. Step 4: Simplify right side
    4,368.78x = 15,683,344.93
  5. Step 5: Solve for x
    x = 15,683,344.93/4,368.78
  6. Step 6: Final answer
    x = 3,589.87

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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.