Home / 4,019.60-5,547.48-3,077.84

Finding the Fourth Proportional to 4,019.60, 5,547.48 and 3,077.84

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Solution

The fourth proportional to 4,019.60, 5,547.48 and 3,077.84 is: 4,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.60 : 5,547.48 = 3,077.84 : x
  2. Step 2: Convert to fraction form
    4,019.60/5,547.48 = 3,077.84/x
  3. Step 3: Cross multiply
    4,019.60x = 5,547.48 × 3,077.84
  4. Step 4: Simplify right side
    4,019.60x = 17,074,255.84
  5. Step 5: Solve for x
    x = 17,074,255.84/4,019.60
  6. Step 6: Final answer
    x = 4,247.75

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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.