Home / 7,040.90-10,560.80-1,846.64

Finding the Fourth Proportional to 7,040.90, 10,560.80 and 1,846.64

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Solution

The fourth proportional to 7,040.90, 10,560.80 and 1,846.64 is: 2,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.90 : 10,560.80 = 1,846.64 : x
  2. Step 2: Convert to fraction form
    7,040.90/10,560.80 = 1,846.64/x
  3. Step 3: Cross multiply
    7,040.90x = 10,560.80 × 1,846.64
  4. Step 4: Simplify right side
    7,040.90x = 19,501,995.71
  5. Step 5: Solve for x
    x = 19,501,995.71/7,040.90
  6. Step 6: Final answer
    x = 2,769.82

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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.