Home / 7,039.36-9,715.80-5,859.28

Finding the Fourth Proportional to 7,039.36, 9,715.80 and 5,859.28

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Solution

The fourth proportional to 7,039.36, 9,715.80 and 5,859.28 is: 8,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.36 : 9,715.80 = 5,859.28 : x
  2. Step 2: Convert to fraction form
    7,039.36/9,715.80 = 5,859.28/x
  3. Step 3: Cross multiply
    7,039.36x = 9,715.80 × 5,859.28
  4. Step 4: Simplify right side
    7,039.36x = 56,927,592.62
  5. Step 5: Solve for x
    x = 56,927,592.62/7,039.36
  6. Step 6: Final answer
    x = 8,087.04

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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.