Home / 4,870.66-7,306.36-1,408.18

Finding the Fourth Proportional to 4,870.66, 7,306.36 and 1,408.18

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Solution

The fourth proportional to 4,870.66, 7,306.36 and 1,408.18 is: 2,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.66 : 7,306.36 = 1,408.18 : x
  2. Step 2: Convert to fraction form
    4,870.66/7,306.36 = 1,408.18/x
  3. Step 3: Cross multiply
    4,870.66x = 7,306.36 × 1,408.18
  4. Step 4: Simplify right side
    4,870.66x = 10,288,670.02
  5. Step 5: Solve for x
    x = 10,288,670.02/4,870.66
  6. Step 6: Final answer
    x = 2,112.38

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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.