Home / 4,476.72-6,715.14-1,555.08

Finding the Fourth Proportional to 4,476.72, 6,715.14 and 1,555.08

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Solution

The fourth proportional to 4,476.72, 6,715.14 and 1,555.08 is: 2,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.72 : 6,715.14 = 1,555.08 : x
  2. Step 2: Convert to fraction form
    4,476.72/6,715.14 = 1,555.08/x
  3. Step 3: Cross multiply
    4,476.72x = 6,715.14 × 1,555.08
  4. Step 4: Simplify right side
    4,476.72x = 10,442,579.91
  5. Step 5: Solve for x
    x = 10,442,579.91/4,476.72
  6. Step 6: Final answer
    x = 2,332.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.