Home / 6,919.18-10,378.81-5,698.22

Finding the Fourth Proportional to 6,919.18, 10,378.81 and 5,698.22

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Solution

The fourth proportional to 6,919.18, 10,378.81 and 5,698.22 is: 8,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.18 : 10,378.81 = 5,698.22 : x
  2. Step 2: Convert to fraction form
    6,919.18/10,378.81 = 5,698.22/x
  3. Step 3: Cross multiply
    6,919.18x = 10,378.81 × 5,698.22
  4. Step 4: Simplify right side
    6,919.18x = 59,140,742.72
  5. Step 5: Solve for x
    x = 59,140,742.72/6,919.18
  6. Step 6: Final answer
    x = 8,547.36

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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.