Home / 8,867.89-12,237.69-4,888.99

Finding the Fourth Proportional to 8,867.89, 12,237.69 and 4,888.99

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Solution

The fourth proportional to 8,867.89, 12,237.69 and 4,888.99 is: 6,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.89 : 12,237.69 = 4,888.99 : x
  2. Step 2: Convert to fraction form
    8,867.89/12,237.69 = 4,888.99/x
  3. Step 3: Cross multiply
    8,867.89x = 12,237.69 × 4,888.99
  4. Step 4: Simplify right side
    8,867.89x = 59,829,944.03
  5. Step 5: Solve for x
    x = 59,829,944.03/8,867.89
  6. Step 6: Final answer
    x = 6,746.81

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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.