Home / 6,281.39-9,421.83-1,898.72

Finding the Fourth Proportional to 6,281.39, 9,421.83 and 1,898.72

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Solution

The fourth proportional to 6,281.39, 9,421.83 and 1,898.72 is: 2,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.39 : 9,421.83 = 1,898.72 : x
  2. Step 2: Convert to fraction form
    6,281.39/9,421.83 = 1,898.72/x
  3. Step 3: Cross multiply
    6,281.39x = 9,421.83 × 1,898.72
  4. Step 4: Simplify right side
    6,281.39x = 17,889,369.95
  5. Step 5: Solve for x
    x = 17,889,369.95/6,281.39
  6. Step 6: Final answer
    x = 2,848.00

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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.