Home / 5,268.89-7,271.28-3,030.76

Finding the Fourth Proportional to 5,268.89, 7,271.28 and 3,030.76

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Solution

The fourth proportional to 5,268.89, 7,271.28 and 3,030.76 is: 4,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.89 : 7,271.28 = 3,030.76 : x
  2. Step 2: Convert to fraction form
    5,268.89/7,271.28 = 3,030.76/x
  3. Step 3: Cross multiply
    5,268.89x = 7,271.28 × 3,030.76
  4. Step 4: Simplify right side
    5,268.89x = 22,037,489.42
  5. Step 5: Solve for x
    x = 22,037,489.42/5,268.89
  6. Step 6: Final answer
    x = 4,182.57

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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.