Home / 7,386.09-11,079.28-2,455.77

Finding the Fourth Proportional to 7,386.09, 11,079.28 and 2,455.77

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Solution

The fourth proportional to 7,386.09, 11,079.28 and 2,455.77 is: 3,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.09 : 11,079.28 = 2,455.77 : x
  2. Step 2: Convert to fraction form
    7,386.09/11,079.28 = 2,455.77/x
  3. Step 3: Cross multiply
    7,386.09x = 11,079.28 × 2,455.77
  4. Step 4: Simplify right side
    7,386.09x = 27,208,145.74
  5. Step 5: Solve for x
    x = 27,208,145.74/7,386.09
  6. Step 6: Final answer
    x = 3,683.70

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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.