Home / 7,712.81-10,641.33-4,727.55

Finding the Fourth Proportional to 7,712.81, 10,641.33 and 4,727.55

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Solution

The fourth proportional to 7,712.81, 10,641.33 and 4,727.55 is: 6,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.81 : 10,641.33 = 4,727.55 : x
  2. Step 2: Convert to fraction form
    7,712.81/10,641.33 = 4,727.55/x
  3. Step 3: Cross multiply
    7,712.81x = 10,641.33 × 4,727.55
  4. Step 4: Simplify right side
    7,712.81x = 50,307,419.64
  5. Step 5: Solve for x
    x = 50,307,419.64/7,712.81
  6. Step 6: Final answer
    x = 6,522.58

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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.