Home / 7,811.93-10,769.22-5,569.91

Finding the Fourth Proportional to 7,811.93, 10,769.22 and 5,569.91

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Solution

The fourth proportional to 7,811.93, 10,769.22 and 5,569.91 is: 7,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.93 : 10,769.22 = 5,569.91 : x
  2. Step 2: Convert to fraction form
    7,811.93/10,769.22 = 5,569.91/x
  3. Step 3: Cross multiply
    7,811.93x = 10,769.22 × 5,569.91
  4. Step 4: Simplify right side
    7,811.93x = 59,983,532.32
  5. Step 5: Solve for x
    x = 59,983,532.32/7,811.93
  6. Step 6: Final answer
    x = 7,678.46

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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.