Home / 7,543.04-10,399.84-5,392.16

Finding the Fourth Proportional to 7,543.04, 10,399.84 and 5,392.16

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Solution

The fourth proportional to 7,543.04, 10,399.84 and 5,392.16 is: 7,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.04 : 10,399.84 = 5,392.16 : x
  2. Step 2: Convert to fraction form
    7,543.04/10,399.84 = 5,392.16/x
  3. Step 3: Cross multiply
    7,543.04x = 10,399.84 × 5,392.16
  4. Step 4: Simplify right side
    7,543.04x = 56,077,601.25
  5. Step 5: Solve for x
    x = 56,077,601.25/7,543.04
  6. Step 6: Final answer
    x = 7,434.35

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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.