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Finding the Fourth Proportional to 6,807.09, 10,210.70 and 1,877.00

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Solution

The fourth proportional to 6,807.09, 10,210.70 and 1,877.00 is: 2,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.09 : 10,210.70 = 1,877.00 : x
  2. Step 2: Convert to fraction form
    6,807.09/10,210.70 = 1,877.00/x
  3. Step 3: Cross multiply
    6,807.09x = 10,210.70 × 1,877.00
  4. Step 4: Simplify right side
    6,807.09x = 19,165,423.46
  5. Step 5: Solve for x
    x = 19,165,423.46/6,807.09
  6. Step 6: Final answer
    x = 2,815.51

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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.