Home / 5,340.14-8,045.81-4,820.72

Finding the Fourth Proportional to 5,340.14, 8,045.81 and 4,820.72

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Solution

The fourth proportional to 5,340.14, 8,045.81 and 4,820.72 is: 7,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.14 : 8,045.81 = 4,820.72 : x
  2. Step 2: Convert to fraction form
    5,340.14/8,045.81 = 4,820.72/x
  3. Step 3: Cross multiply
    5,340.14x = 8,045.81 × 4,820.72
  4. Step 4: Simplify right side
    5,340.14x = 38,786,597.18
  5. Step 5: Solve for x
    x = 38,786,597.18/5,340.14
  6. Step 6: Final answer
    x = 7,263.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.