Home / 9,779.32-13,495.35-5,302.99

Finding the Fourth Proportional to 9,779.32, 13,495.35 and 5,302.99

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Solution

The fourth proportional to 9,779.32, 13,495.35 and 5,302.99 is: 7,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.32 : 13,495.35 = 5,302.99 : x
  2. Step 2: Convert to fraction form
    9,779.32/13,495.35 = 5,302.99/x
  3. Step 3: Cross multiply
    9,779.32x = 13,495.35 × 5,302.99
  4. Step 4: Simplify right side
    9,779.32x = 71,565,706.10
  5. Step 5: Solve for x
    x = 71,565,706.10/9,779.32
  6. Step 6: Final answer
    x = 7,318.07

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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.