Home / 6,810.04-10,200.70-3,115.38

Finding the Fourth Proportional to 6,810.04, 10,200.70 and 3,115.38

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Solution

The fourth proportional to 6,810.04, 10,200.70 and 3,115.38 is: 4,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.04 : 10,200.70 = 3,115.38 : x
  2. Step 2: Convert to fraction form
    6,810.04/10,200.70 = 3,115.38/x
  3. Step 3: Cross multiply
    6,810.04x = 10,200.70 × 3,115.38
  4. Step 4: Simplify right side
    6,810.04x = 31,779,056.77
  5. Step 5: Solve for x
    x = 31,779,056.77/6,810.04
  6. Step 6: Final answer
    x = 4,666.50

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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.