Home / 8,155.07-11,258.66-5,368.67

Finding the Fourth Proportional to 8,155.07, 11,258.66 and 5,368.67

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Solution

The fourth proportional to 8,155.07, 11,258.66 and 5,368.67 is: 7,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.07 : 11,258.66 = 5,368.67 : x
  2. Step 2: Convert to fraction form
    8,155.07/11,258.66 = 5,368.67/x
  3. Step 3: Cross multiply
    8,155.07x = 11,258.66 × 5,368.67
  4. Step 4: Simplify right side
    8,155.07x = 60,444,030.18
  5. Step 5: Solve for x
    x = 60,444,030.18/8,155.07
  6. Step 6: Final answer
    x = 7,411.83

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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.