Home / 7,438.24-10,259.40-6,317.41

Finding the Fourth Proportional to 7,438.24, 10,259.40 and 6,317.41

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Solution

The fourth proportional to 7,438.24, 10,259.40 and 6,317.41 is: 8,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.24 : 10,259.40 = 6,317.41 : x
  2. Step 2: Convert to fraction form
    7,438.24/10,259.40 = 6,317.41/x
  3. Step 3: Cross multiply
    7,438.24x = 10,259.40 × 6,317.41
  4. Step 4: Simplify right side
    7,438.24x = 64,812,836.15
  5. Step 5: Solve for x
    x = 64,812,836.15/7,438.24
  6. Step 6: Final answer
    x = 8,713.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.