Home / 4,427.02-6,639.96-1,140.16

Finding the Fourth Proportional to 4,427.02, 6,639.96 and 1,140.16

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Solution

The fourth proportional to 4,427.02, 6,639.96 and 1,140.16 is: 1,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.02 : 6,639.96 = 1,140.16 : x
  2. Step 2: Convert to fraction form
    4,427.02/6,639.96 = 1,140.16/x
  3. Step 3: Cross multiply
    4,427.02x = 6,639.96 × 1,140.16
  4. Step 4: Simplify right side
    4,427.02x = 7,570,616.79
  5. Step 5: Solve for x
    x = 7,570,616.79/4,427.02
  6. Step 6: Final answer
    x = 1,710.09

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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.