Home / 4,849.60-7,278.95-2,386.20

Finding the Fourth Proportional to 4,849.60, 7,278.95 and 2,386.20

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Solution

The fourth proportional to 4,849.60, 7,278.95 and 2,386.20 is: 3,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.60 : 7,278.95 = 2,386.20 : x
  2. Step 2: Convert to fraction form
    4,849.60/7,278.95 = 2,386.20/x
  3. Step 3: Cross multiply
    4,849.60x = 7,278.95 × 2,386.20
  4. Step 4: Simplify right side
    4,849.60x = 17,369,030.49
  5. Step 5: Solve for x
    x = 17,369,030.49/4,849.60
  6. Step 6: Final answer
    x = 3,581.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.