Home / 5,014.64-7,510.80-4,890.72

Finding the Fourth Proportional to 5,014.64, 7,510.80 and 4,890.72

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Solution

The fourth proportional to 5,014.64, 7,510.80 and 4,890.72 is: 7,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.64 : 7,510.80 = 4,890.72 : x
  2. Step 2: Convert to fraction form
    5,014.64/7,510.80 = 4,890.72/x
  3. Step 3: Cross multiply
    5,014.64x = 7,510.80 × 4,890.72
  4. Step 4: Simplify right side
    5,014.64x = 36,733,219.78
  5. Step 5: Solve for x
    x = 36,733,219.78/5,014.64
  6. Step 6: Final answer
    x = 7,325.20

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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.