Home / 6,859.79-10,280.44-5,002.21

Finding the Fourth Proportional to 6,859.79, 10,280.44 and 5,002.21

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Solution

The fourth proportional to 6,859.79, 10,280.44 and 5,002.21 is: 7,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.79 : 10,280.44 = 5,002.21 : x
  2. Step 2: Convert to fraction form
    6,859.79/10,280.44 = 5,002.21/x
  3. Step 3: Cross multiply
    6,859.79x = 10,280.44 × 5,002.21
  4. Step 4: Simplify right side
    6,859.79x = 51,424,852.91
  5. Step 5: Solve for x
    x = 51,424,852.91/6,859.79
  6. Step 6: Final answer
    x = 7,496.57

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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.