Home / 6,919.81-9,547.88-4,401

Finding the Fourth Proportional to 6,919.81, 9,547.88 and 4,401

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Solution

The fourth proportional to 6,919.81, 9,547.88 and 4,401 is: 6,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.81 : 9,547.88 = 4,401 : x
  2. Step 2: Convert to fraction form
    6,919.81/9,547.88 = 4,401/x
  3. Step 3: Cross multiply
    6,919.81x = 9,547.88 × 4,401
  4. Step 4: Simplify right side
    6,919.81x = 42,020,197.88
  5. Step 5: Solve for x
    x = 42,020,197.88/6,919.81
  6. Step 6: Final answer
    x = 6,072.45

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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.