Home / 4,140.02-6,210.04-1,218.36

Finding the Fourth Proportional to 4,140.02, 6,210.04 and 1,218.36

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Solution

The fourth proportional to 4,140.02, 6,210.04 and 1,218.36 is: 1,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.02 : 6,210.04 = 1,218.36 : x
  2. Step 2: Convert to fraction form
    4,140.02/6,210.04 = 1,218.36/x
  3. Step 3: Cross multiply
    4,140.02x = 6,210.04 × 1,218.36
  4. Step 4: Simplify right side
    4,140.02x = 7,566,064.33
  5. Step 5: Solve for x
    x = 7,566,064.33/4,140.02
  6. Step 6: Final answer
    x = 1,827.54

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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.