Home / 9,779.44-13,495.68-5,587.84

Finding the Fourth Proportional to 9,779.44, 13,495.68 and 5,587.84

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Solution

The fourth proportional to 9,779.44, 13,495.68 and 5,587.84 is: 7,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.44 : 13,495.68 = 5,587.84 : x
  2. Step 2: Convert to fraction form
    9,779.44/13,495.68 = 5,587.84/x
  3. Step 3: Cross multiply
    9,779.44x = 13,495.68 × 5,587.84
  4. Step 4: Simplify right side
    9,779.44x = 75,411,700.53
  5. Step 5: Solve for x
    x = 75,411,700.53/9,779.44
  6. Step 6: Final answer
    x = 7,711.25

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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.