Home / 9,810.45-14,721.85-3,570.89

Finding the Fourth Proportional to 9,810.45, 14,721.85 and 3,570.89

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Solution

The fourth proportional to 9,810.45, 14,721.85 and 3,570.89 is: 5,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.45 : 14,721.85 = 3,570.89 : x
  2. Step 2: Convert to fraction form
    9,810.45/14,721.85 = 3,570.89/x
  3. Step 3: Cross multiply
    9,810.45x = 14,721.85 × 3,570.89
  4. Step 4: Simplify right side
    9,810.45x = 52,570,037.80
  5. Step 5: Solve for x
    x = 52,570,037.80/9,810.45
  6. Step 6: Final answer
    x = 5,358.58

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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.