Home / 7,528.84-10,389.63-4,171.66

Finding the Fourth Proportional to 7,528.84, 10,389.63 and 4,171.66

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Solution

The fourth proportional to 7,528.84, 10,389.63 and 4,171.66 is: 5,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.84 : 10,389.63 = 4,171.66 : x
  2. Step 2: Convert to fraction form
    7,528.84/10,389.63 = 4,171.66/x
  3. Step 3: Cross multiply
    7,528.84x = 10,389.63 × 4,171.66
  4. Step 4: Simplify right side
    7,528.84x = 43,342,003.89
  5. Step 5: Solve for x
    x = 43,342,003.89/7,528.84
  6. Step 6: Final answer
    x = 5,756.80

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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.