Home / 7,851.45-10,838.09-4,707.03

Finding the Fourth Proportional to 7,851.45, 10,838.09 and 4,707.03

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Solution

The fourth proportional to 7,851.45, 10,838.09 and 4,707.03 is: 6,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.45 : 10,838.09 = 4,707.03 : x
  2. Step 2: Convert to fraction form
    7,851.45/10,838.09 = 4,707.03/x
  3. Step 3: Cross multiply
    7,851.45x = 10,838.09 × 4,707.03
  4. Step 4: Simplify right side
    7,851.45x = 51,015,214.77
  5. Step 5: Solve for x
    x = 51,015,214.77/7,851.45
  6. Step 6: Final answer
    x = 6,497.55

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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.