Home / 4,680.48-7,021.20-1,758

Finding the Fourth Proportional to 4,680.48, 7,021.20 and 1,758

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Solution

The fourth proportional to 4,680.48, 7,021.20 and 1,758 is: 2,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.48 : 7,021.20 = 1,758 : x
  2. Step 2: Convert to fraction form
    4,680.48/7,021.20 = 1,758/x
  3. Step 3: Cross multiply
    4,680.48x = 7,021.20 × 1,758
  4. Step 4: Simplify right side
    4,680.48x = 12,343,269.60
  5. Step 5: Solve for x
    x = 12,343,269.60/4,680.48
  6. Step 6: Final answer
    x = 2,637.18

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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.