Home / 4,870.12-7,307.10-2,560.36

Finding the Fourth Proportional to 4,870.12, 7,307.10 and 2,560.36

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Solution

The fourth proportional to 4,870.12, 7,307.10 and 2,560.36 is: 3,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.12 : 7,307.10 = 2,560.36 : x
  2. Step 2: Convert to fraction form
    4,870.12/7,307.10 = 2,560.36/x
  3. Step 3: Cross multiply
    4,870.12x = 7,307.10 × 2,560.36
  4. Step 4: Simplify right side
    4,870.12x = 18,708,806.56
  5. Step 5: Solve for x
    x = 18,708,806.56/4,870.12
  6. Step 6: Final answer
    x = 3,841.55

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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.