Home / 5,475.29-8,210.91-1,964.30

Finding the Fourth Proportional to 5,475.29, 8,210.91 and 1,964.30

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Solution

The fourth proportional to 5,475.29, 8,210.91 and 1,964.30 is: 2,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.29 : 8,210.91 = 1,964.30 : x
  2. Step 2: Convert to fraction form
    5,475.29/8,210.91 = 1,964.30/x
  3. Step 3: Cross multiply
    5,475.29x = 8,210.91 × 1,964.30
  4. Step 4: Simplify right side
    5,475.29x = 16,128,690.51
  5. Step 5: Solve for x
    x = 16,128,690.51/5,475.29
  6. Step 6: Final answer
    x = 2,945.72

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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.