Home / 5,317.02-7,964.55-4,145.76

Finding the Fourth Proportional to 5,317.02, 7,964.55 and 4,145.76

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Solution

The fourth proportional to 5,317.02, 7,964.55 and 4,145.76 is: 6,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.02 : 7,964.55 = 4,145.76 : x
  2. Step 2: Convert to fraction form
    5,317.02/7,964.55 = 4,145.76/x
  3. Step 3: Cross multiply
    5,317.02x = 7,964.55 × 4,145.76
  4. Step 4: Simplify right side
    5,317.02x = 33,019,112.81
  5. Step 5: Solve for x
    x = 33,019,112.81/5,317.02
  6. Step 6: Final answer
    x = 6,210.08

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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.