Home / 4,018.60-6,027.90-1,386.10

Finding the Fourth Proportional to 4,018.60, 6,027.90 and 1,386.10

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Solution

The fourth proportional to 4,018.60, 6,027.90 and 1,386.10 is: 2,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.60 : 6,027.90 = 1,386.10 : x
  2. Step 2: Convert to fraction form
    4,018.60/6,027.90 = 1,386.10/x
  3. Step 3: Cross multiply
    4,018.60x = 6,027.90 × 1,386.10
  4. Step 4: Simplify right side
    4,018.60x = 8,355,272.19
  5. Step 5: Solve for x
    x = 8,355,272.19/4,018.60
  6. Step 6: Final answer
    x = 2,079.15

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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.