Home / 6,289.19-9,438.35-5,071.31

Finding the Fourth Proportional to 6,289.19, 9,438.35 and 5,071.31

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Solution

The fourth proportional to 6,289.19, 9,438.35 and 5,071.31 is: 7,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.19 : 9,438.35 = 5,071.31 : x
  2. Step 2: Convert to fraction form
    6,289.19/9,438.35 = 5,071.31/x
  3. Step 3: Cross multiply
    6,289.19x = 9,438.35 × 5,071.31
  4. Step 4: Simplify right side
    6,289.19x = 47,864,726.19
  5. Step 5: Solve for x
    x = 47,864,726.19/6,289.19
  6. Step 6: Final answer
    x = 7,610.64

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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.