Home / 7,476.79-10,317.65-4,287.87

Finding the Fourth Proportional to 7,476.79, 10,317.65 and 4,287.87

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Solution

The fourth proportional to 7,476.79, 10,317.65 and 4,287.87 is: 5,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.79 : 10,317.65 = 4,287.87 : x
  2. Step 2: Convert to fraction form
    7,476.79/10,317.65 = 4,287.87/x
  3. Step 3: Cross multiply
    7,476.79x = 10,317.65 × 4,287.87
  4. Step 4: Simplify right side
    7,476.79x = 44,240,741.91
  5. Step 5: Solve for x
    x = 44,240,741.91/7,476.79
  6. Step 6: Final answer
    x = 5,917.08

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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.