Home / 4,818.63-7,227.55-1,309.08

Finding the Fourth Proportional to 4,818.63, 7,227.55 and 1,309.08

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Solution

The fourth proportional to 4,818.63, 7,227.55 and 1,309.08 is: 1,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.63 : 7,227.55 = 1,309.08 : x
  2. Step 2: Convert to fraction form
    4,818.63/7,227.55 = 1,309.08/x
  3. Step 3: Cross multiply
    4,818.63x = 7,227.55 × 1,309.08
  4. Step 4: Simplify right side
    4,818.63x = 9,461,441.15
  5. Step 5: Solve for x
    x = 9,461,441.15/4,818.63
  6. Step 6: Final answer
    x = 1,963.51

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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.