Home / 7,810.04-10,779.66-4,786.06

Finding the Fourth Proportional to 7,810.04, 10,779.66 and 4,786.06

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Solution

The fourth proportional to 7,810.04, 10,779.66 and 4,786.06 is: 6,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.04 : 10,779.66 = 4,786.06 : x
  2. Step 2: Convert to fraction form
    7,810.04/10,779.66 = 4,786.06/x
  3. Step 3: Cross multiply
    7,810.04x = 10,779.66 × 4,786.06
  4. Step 4: Simplify right side
    7,810.04x = 51,592,099.54
  5. Step 5: Solve for x
    x = 51,592,099.54/7,810.04
  6. Step 6: Final answer
    x = 6,605.87

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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.