Home / 9,210.45-12,721.08-6,703.80

Finding the Fourth Proportional to 9,210.45, 12,721.08 and 6,703.80

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Solution

The fourth proportional to 9,210.45, 12,721.08 and 6,703.80 is: 9,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.45 : 12,721.08 = 6,703.80 : x
  2. Step 2: Convert to fraction form
    9,210.45/12,721.08 = 6,703.80/x
  3. Step 3: Cross multiply
    9,210.45x = 12,721.08 × 6,703.80
  4. Step 4: Simplify right side
    9,210.45x = 85,279,576.10
  5. Step 5: Solve for x
    x = 85,279,576.10/9,210.45
  6. Step 6: Final answer
    x = 9,259.00

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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.