Home / 7,888.28-10,885.68-4,303.27

Finding the Fourth Proportional to 7,888.28, 10,885.68 and 4,303.27

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Solution

The fourth proportional to 7,888.28, 10,885.68 and 4,303.27 is: 5,938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.28 : 10,885.68 = 4,303.27 : x
  2. Step 2: Convert to fraction form
    7,888.28/10,885.68 = 4,303.27/x
  3. Step 3: Cross multiply
    7,888.28x = 10,885.68 × 4,303.27
  4. Step 4: Simplify right side
    7,888.28x = 46,844,020.17
  5. Step 5: Solve for x
    x = 46,844,020.17/7,888.28
  6. Step 6: Final answer
    x = 5,938.43

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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.