Home / 8,340.89-11,510.72-4,563.81

Finding the Fourth Proportional to 8,340.89, 11,510.72 and 4,563.81

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Solution

The fourth proportional to 8,340.89, 11,510.72 and 4,563.81 is: 6,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.89 : 11,510.72 = 4,563.81 : x
  2. Step 2: Convert to fraction form
    8,340.89/11,510.72 = 4,563.81/x
  3. Step 3: Cross multiply
    8,340.89x = 11,510.72 × 4,563.81
  4. Step 4: Simplify right side
    8,340.89x = 52,532,716.22
  5. Step 5: Solve for x
    x = 52,532,716.22/8,340.89
  6. Step 6: Final answer
    x = 6,298.22

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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.