Home / 4,478.10-6,713.47-1,977.51

Finding the Fourth Proportional to 4,478.10, 6,713.47 and 1,977.51

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Solution

The fourth proportional to 4,478.10, 6,713.47 and 1,977.51 is: 2,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.10 : 6,713.47 = 1,977.51 : x
  2. Step 2: Convert to fraction form
    4,478.10/6,713.47 = 1,977.51/x
  3. Step 3: Cross multiply
    4,478.10x = 6,713.47 × 1,977.51
  4. Step 4: Simplify right side
    4,478.10x = 13,275,954.06
  5. Step 5: Solve for x
    x = 13,275,954.06/4,478.10
  6. Step 6: Final answer
    x = 2,964.64

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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.