Home / 7,430.64-10,255.32-4,637.04

Finding the Fourth Proportional to 7,430.64, 10,255.32 and 4,637.04

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Solution

The fourth proportional to 7,430.64, 10,255.32 and 4,637.04 is: 6,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.64 : 10,255.32 = 4,637.04 : x
  2. Step 2: Convert to fraction form
    7,430.64/10,255.32 = 4,637.04/x
  3. Step 3: Cross multiply
    7,430.64x = 10,255.32 × 4,637.04
  4. Step 4: Simplify right side
    7,430.64x = 47,554,329.05
  5. Step 5: Solve for x
    x = 47,554,329.05/7,430.64
  6. Step 6: Final answer
    x = 6,399.76

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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.