Home / 5,395.24-7,445.01-3,156.81

Finding the Fourth Proportional to 5,395.24, 7,445.01 and 3,156.81

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Solution

The fourth proportional to 5,395.24, 7,445.01 and 3,156.81 is: 4,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.24 : 7,445.01 = 3,156.81 : x
  2. Step 2: Convert to fraction form
    5,395.24/7,445.01 = 3,156.81/x
  3. Step 3: Cross multiply
    5,395.24x = 7,445.01 × 3,156.81
  4. Step 4: Simplify right side
    5,395.24x = 23,502,482.02
  5. Step 5: Solve for x
    x = 23,502,482.02/5,395.24
  6. Step 6: Final answer
    x = 4,356.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.