Home / 6,397.40-8,825.29-5,511.67

Finding the Fourth Proportional to 6,397.40, 8,825.29 and 5,511.67

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Solution

The fourth proportional to 6,397.40, 8,825.29 and 5,511.67 is: 7,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.40 : 8,825.29 = 5,511.67 : x
  2. Step 2: Convert to fraction form
    6,397.40/8,825.29 = 5,511.67/x
  3. Step 3: Cross multiply
    6,397.40x = 8,825.29 × 5,511.67
  4. Step 4: Simplify right side
    6,397.40x = 48,642,050.29
  5. Step 5: Solve for x
    x = 48,642,050.29/6,397.40
  6. Step 6: Final answer
    x = 7,603.41

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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.