Home / 6,130.77-8,460.47-3,580.04

Finding the Fourth Proportional to 6,130.77, 8,460.47 and 3,580.04

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Solution

The fourth proportional to 6,130.77, 8,460.47 and 3,580.04 is: 4,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.77 : 8,460.47 = 3,580.04 : x
  2. Step 2: Convert to fraction form
    6,130.77/8,460.47 = 3,580.04/x
  3. Step 3: Cross multiply
    6,130.77x = 8,460.47 × 3,580.04
  4. Step 4: Simplify right side
    6,130.77x = 30,288,787.67
  5. Step 5: Solve for x
    x = 30,288,787.67/6,130.77
  6. Step 6: Final answer
    x = 4,940.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.