Home / 7,970.46-10,999.59-6,641.94

Finding the Fourth Proportional to 7,970.46, 10,999.59 and 6,641.94

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Solution

The fourth proportional to 7,970.46, 10,999.59 and 6,641.94 is: 9,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.46 : 10,999.59 = 6,641.94 : x
  2. Step 2: Convert to fraction form
    7,970.46/10,999.59 = 6,641.94/x
  3. Step 3: Cross multiply
    7,970.46x = 10,999.59 × 6,641.94
  4. Step 4: Simplify right side
    7,970.46x = 73,058,616.80
  5. Step 5: Solve for x
    x = 73,058,616.80/7,970.46
  6. Step 6: Final answer
    x = 9,166.17

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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.