Home / 7,616.28-10,512.69-4,430.31

Finding the Fourth Proportional to 7,616.28, 10,512.69 and 4,430.31

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Solution

The fourth proportional to 7,616.28, 10,512.69 and 4,430.31 is: 6,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.28 : 10,512.69 = 4,430.31 : x
  2. Step 2: Convert to fraction form
    7,616.28/10,512.69 = 4,430.31/x
  3. Step 3: Cross multiply
    7,616.28x = 10,512.69 × 4,430.31
  4. Step 4: Simplify right side
    7,616.28x = 46,574,475.63
  5. Step 5: Solve for x
    x = 46,574,475.63/7,616.28
  6. Step 6: Final answer
    x = 6,115.12

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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.