Home / 7,529.12-10,389.45-4,342.71

Finding the Fourth Proportional to 7,529.12, 10,389.45 and 4,342.71

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Solution

The fourth proportional to 7,529.12, 10,389.45 and 4,342.71 is: 5,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.12 : 10,389.45 = 4,342.71 : x
  2. Step 2: Convert to fraction form
    7,529.12/10,389.45 = 4,342.71/x
  3. Step 3: Cross multiply
    7,529.12x = 10,389.45 × 4,342.71
  4. Step 4: Simplify right side
    7,529.12x = 45,118,368.41
  5. Step 5: Solve for x
    x = 45,118,368.41/7,529.12
  6. Step 6: Final answer
    x = 5,992.51

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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.