Home / 4,086.90-6,130.35-3,698.10

Finding the Fourth Proportional to 4,086.90, 6,130.35 and 3,698.10

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Solution

The fourth proportional to 4,086.90, 6,130.35 and 3,698.10 is: 5,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.90 : 6,130.35 = 3,698.10 : x
  2. Step 2: Convert to fraction form
    4,086.90/6,130.35 = 3,698.10/x
  3. Step 3: Cross multiply
    4,086.90x = 6,130.35 × 3,698.10
  4. Step 4: Simplify right side
    4,086.90x = 22,670,647.34
  5. Step 5: Solve for x
    x = 22,670,647.34/4,086.90
  6. Step 6: Final answer
    x = 5,547.15

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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.