Home / 7,000.45-10,498.23-2,068.78

Finding the Fourth Proportional to 7,000.45, 10,498.23 and 2,068.78

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Solution

The fourth proportional to 7,000.45, 10,498.23 and 2,068.78 is: 3,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.45 : 10,498.23 = 2,068.78 : x
  2. Step 2: Convert to fraction form
    7,000.45/10,498.23 = 2,068.78/x
  3. Step 3: Cross multiply
    7,000.45x = 10,498.23 × 2,068.78
  4. Step 4: Simplify right side
    7,000.45x = 21,718,528.26
  5. Step 5: Solve for x
    x = 21,718,528.26/7,000.45
  6. Step 6: Final answer
    x = 3,102.45

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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.