Home / 6,946.77-10,420.19-1,681.77

Finding the Fourth Proportional to 6,946.77, 10,420.19 and 1,681.77

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Solution

The fourth proportional to 6,946.77, 10,420.19 and 1,681.77 is: 2,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.77 : 10,420.19 = 1,681.77 : x
  2. Step 2: Convert to fraction form
    6,946.77/10,420.19 = 1,681.77/x
  3. Step 3: Cross multiply
    6,946.77x = 10,420.19 × 1,681.77
  4. Step 4: Simplify right side
    6,946.77x = 17,524,354.53
  5. Step 5: Solve for x
    x = 17,524,354.53/6,946.77
  6. Step 6: Final answer
    x = 2,522.66

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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.