Home / 8,312.07-11,457.19-7,232.58

Finding the Fourth Proportional to 8,312.07, 11,457.19 and 7,232.58

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Solution

The fourth proportional to 8,312.07, 11,457.19 and 7,232.58 is: 9,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.07 : 11,457.19 = 7,232.58 : x
  2. Step 2: Convert to fraction form
    8,312.07/11,457.19 = 7,232.58/x
  3. Step 3: Cross multiply
    8,312.07x = 11,457.19 × 7,232.58
  4. Step 4: Simplify right side
    8,312.07x = 82,865,043.25
  5. Step 5: Solve for x
    x = 82,865,043.25/8,312.07
  6. Step 6: Final answer
    x = 9,969.24

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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.