Home / 7,153.31-9,871.57-4,358.81

Finding the Fourth Proportional to 7,153.31, 9,871.57 and 4,358.81

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Solution

The fourth proportional to 7,153.31, 9,871.57 and 4,358.81 is: 6,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.31 : 9,871.57 = 4,358.81 : x
  2. Step 2: Convert to fraction form
    7,153.31/9,871.57 = 4,358.81/x
  3. Step 3: Cross multiply
    7,153.31x = 9,871.57 × 4,358.81
  4. Step 4: Simplify right side
    7,153.31x = 43,028,328.16
  5. Step 5: Solve for x
    x = 43,028,328.16/7,153.31
  6. Step 6: Final answer
    x = 6,015.16

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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.