Home / 7,740.15-10,681.62-4,553.67

Finding the Fourth Proportional to 7,740.15, 10,681.62 and 4,553.67

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Solution

The fourth proportional to 7,740.15, 10,681.62 and 4,553.67 is: 6,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.15 : 10,681.62 = 4,553.67 : x
  2. Step 2: Convert to fraction form
    7,740.15/10,681.62 = 4,553.67/x
  3. Step 3: Cross multiply
    7,740.15x = 10,681.62 × 4,553.67
  4. Step 4: Simplify right side
    7,740.15x = 48,640,572.55
  5. Step 5: Solve for x
    x = 48,640,572.55/7,740.15
  6. Step 6: Final answer
    x = 6,284.19

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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.