Home / 5,386.35-7,432.74-3,028.05

Finding the Fourth Proportional to 5,386.35, 7,432.74 and 3,028.05

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Solution

The fourth proportional to 5,386.35, 7,432.74 and 3,028.05 is: 4,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.35 : 7,432.74 = 3,028.05 : x
  2. Step 2: Convert to fraction form
    5,386.35/7,432.74 = 3,028.05/x
  3. Step 3: Cross multiply
    5,386.35x = 7,432.74 × 3,028.05
  4. Step 4: Simplify right side
    5,386.35x = 22,506,708.36
  5. Step 5: Solve for x
    x = 22,506,708.36/5,386.35
  6. Step 6: Final answer
    x = 4,178.47

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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.