Home / 8,812.16-13,216.74-2,888.93

Finding the Fourth Proportional to 8,812.16, 13,216.74 and 2,888.93

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Solution

The fourth proportional to 8,812.16, 13,216.74 and 2,888.93 is: 4,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.16 : 13,216.74 = 2,888.93 : x
  2. Step 2: Convert to fraction form
    8,812.16/13,216.74 = 2,888.93/x
  3. Step 3: Cross multiply
    8,812.16x = 13,216.74 × 2,888.93
  4. Step 4: Simplify right side
    8,812.16x = 38,182,236.69
  5. Step 5: Solve for x
    x = 38,182,236.69/8,812.16
  6. Step 6: Final answer
    x = 4,332.90

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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.