Home / 6,419.18-9,621.46-2,719.10

Finding the Fourth Proportional to 6,419.18, 9,621.46 and 2,719.10

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Solution

The fourth proportional to 6,419.18, 9,621.46 and 2,719.10 is: 4,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.18 : 9,621.46 = 2,719.10 : x
  2. Step 2: Convert to fraction form
    6,419.18/9,621.46 = 2,719.10/x
  3. Step 3: Cross multiply
    6,419.18x = 9,621.46 × 2,719.10
  4. Step 4: Simplify right side
    6,419.18x = 26,161,711.89
  5. Step 5: Solve for x
    x = 26,161,711.89/6,419.18
  6. Step 6: Final answer
    x = 4,075.55

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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.