Home / 7,455.29-10,287.65-4,388.81

Finding the Fourth Proportional to 7,455.29, 10,287.65 and 4,388.81

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Solution

The fourth proportional to 7,455.29, 10,287.65 and 4,388.81 is: 6,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.29 : 10,287.65 = 4,388.81 : x
  2. Step 2: Convert to fraction form
    7,455.29/10,287.65 = 4,388.81/x
  3. Step 3: Cross multiply
    7,455.29x = 10,287.65 × 4,388.81
  4. Step 4: Simplify right side
    7,455.29x = 45,150,541.20
  5. Step 5: Solve for x
    x = 45,150,541.20/7,455.29
  6. Step 6: Final answer
    x = 6,056.18

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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.