Home / 4,753.86-6,560.72-2,987.26

Finding the Fourth Proportional to 4,753.86, 6,560.72 and 2,987.26

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Solution

The fourth proportional to 4,753.86, 6,560.72 and 2,987.26 is: 4,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.86 : 6,560.72 = 2,987.26 : x
  2. Step 2: Convert to fraction form
    4,753.86/6,560.72 = 2,987.26/x
  3. Step 3: Cross multiply
    4,753.86x = 6,560.72 × 2,987.26
  4. Step 4: Simplify right side
    4,753.86x = 19,598,576.43
  5. Step 5: Solve for x
    x = 19,598,576.43/4,753.86
  6. Step 6: Final answer
    x = 4,122.67

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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.