Home / 7,047.36-10,570.95-2,116.80

Finding the Fourth Proportional to 7,047.36, 10,570.95 and 2,116.80

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Solution

The fourth proportional to 7,047.36, 10,570.95 and 2,116.80 is: 3,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.36 : 10,570.95 = 2,116.80 : x
  2. Step 2: Convert to fraction form
    7,047.36/10,570.95 = 2,116.80/x
  3. Step 3: Cross multiply
    7,047.36x = 10,570.95 × 2,116.80
  4. Step 4: Simplify right side
    7,047.36x = 22,376,586.96
  5. Step 5: Solve for x
    x = 22,376,586.96/7,047.36
  6. Step 6: Final answer
    x = 3,175.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.