Home / 5,384.04-8,071.16-2,779.08

Finding the Fourth Proportional to 5,384.04, 8,071.16 and 2,779.08

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Solution

The fourth proportional to 5,384.04, 8,071.16 and 2,779.08 is: 4,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.04 : 8,071.16 = 2,779.08 : x
  2. Step 2: Convert to fraction form
    5,384.04/8,071.16 = 2,779.08/x
  3. Step 3: Cross multiply
    5,384.04x = 8,071.16 × 2,779.08
  4. Step 4: Simplify right side
    5,384.04x = 22,430,399.33
  5. Step 5: Solve for x
    x = 22,430,399.33/5,384.04
  6. Step 6: Final answer
    x = 4,166.09

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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.