Home / 4,888.16-7,328.76-2,289.68

Finding the Fourth Proportional to 4,888.16, 7,328.76 and 2,289.68

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Solution

The fourth proportional to 4,888.16, 7,328.76 and 2,289.68 is: 3,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.16 : 7,328.76 = 2,289.68 : x
  2. Step 2: Convert to fraction form
    4,888.16/7,328.76 = 2,289.68/x
  3. Step 3: Cross multiply
    4,888.16x = 7,328.76 × 2,289.68
  4. Step 4: Simplify right side
    4,888.16x = 16,780,515.20
  5. Step 5: Solve for x
    x = 16,780,515.20/4,888.16
  6. Step 6: Final answer
    x = 3,432.89

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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.