Home / 6,281.28-9,423.18-1,898.64

Finding the Fourth Proportional to 6,281.28, 9,423.18 and 1,898.64

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Solution

The fourth proportional to 6,281.28, 9,423.18 and 1,898.64 is: 2,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.28 : 9,423.18 = 1,898.64 : x
  2. Step 2: Convert to fraction form
    6,281.28/9,423.18 = 1,898.64/x
  3. Step 3: Cross multiply
    6,281.28x = 9,423.18 × 1,898.64
  4. Step 4: Simplify right side
    6,281.28x = 17,891,226.48
  5. Step 5: Solve for x
    x = 17,891,226.48/6,281.28
  6. Step 6: Final answer
    x = 2,848.34

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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.