Home / 6,421.71-9,624.47-5,471.31

Finding the Fourth Proportional to 6,421.71, 9,624.47 and 5,471.31

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Solution

The fourth proportional to 6,421.71, 9,624.47 and 5,471.31 is: 8,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.71 : 9,624.47 = 5,471.31 : x
  2. Step 2: Convert to fraction form
    6,421.71/9,624.47 = 5,471.31/x
  3. Step 3: Cross multiply
    6,421.71x = 9,624.47 × 5,471.31
  4. Step 4: Simplify right side
    6,421.71x = 52,658,431.60
  5. Step 5: Solve for x
    x = 52,658,431.60/6,421.71
  6. Step 6: Final answer
    x = 8,200.06

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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.