Home / 7,496.64-10,345.18-4,139.49

Finding the Fourth Proportional to 7,496.64, 10,345.18 and 4,139.49

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Solution

The fourth proportional to 7,496.64, 10,345.18 and 4,139.49 is: 5,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.64 : 10,345.18 = 4,139.49 : x
  2. Step 2: Convert to fraction form
    7,496.64/10,345.18 = 4,139.49/x
  3. Step 3: Cross multiply
    7,496.64x = 10,345.18 × 4,139.49
  4. Step 4: Simplify right side
    7,496.64x = 42,823,769.16
  5. Step 5: Solve for x
    x = 42,823,769.16/7,496.64
  6. Step 6: Final answer
    x = 5,712.40

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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.