Home / 7,528.94-10,389.04-4,343.28

Finding the Fourth Proportional to 7,528.94, 10,389.04 and 4,343.28

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Solution

The fourth proportional to 7,528.94, 10,389.04 and 4,343.28 is: 5,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.94 : 10,389.04 = 4,343.28 : x
  2. Step 2: Convert to fraction form
    7,528.94/10,389.04 = 4,343.28/x
  3. Step 3: Cross multiply
    7,528.94x = 10,389.04 × 4,343.28
  4. Step 4: Simplify right side
    7,528.94x = 45,122,498.79
  5. Step 5: Solve for x
    x = 45,122,498.79/7,528.94
  6. Step 6: Final answer
    x = 5,993.21

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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.