Home / 7,521.27-10,379.21-4,164.07

Finding the Fourth Proportional to 7,521.27, 10,379.21 and 4,164.07

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Solution

The fourth proportional to 7,521.27, 10,379.21 and 4,164.07 is: 5,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.27 : 10,379.21 = 4,164.07 : x
  2. Step 2: Convert to fraction form
    7,521.27/10,379.21 = 4,164.07/x
  3. Step 3: Cross multiply
    7,521.27x = 10,379.21 × 4,164.07
  4. Step 4: Simplify right side
    7,521.27x = 43,219,779.41
  5. Step 5: Solve for x
    x = 43,219,779.41/7,521.27
  6. Step 6: Final answer
    x = 5,746.34

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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.