Home / 4,807.89-6,637.95-3,925.80

Finding the Fourth Proportional to 4,807.89, 6,637.95 and 3,925.80

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Solution

The fourth proportional to 4,807.89, 6,637.95 and 3,925.80 is: 5,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.89 : 6,637.95 = 3,925.80 : x
  2. Step 2: Convert to fraction form
    4,807.89/6,637.95 = 3,925.80/x
  3. Step 3: Cross multiply
    4,807.89x = 6,637.95 × 3,925.80
  4. Step 4: Simplify right side
    4,807.89x = 26,059,264.11
  5. Step 5: Solve for x
    x = 26,059,264.11/4,807.89
  6. Step 6: Final answer
    x = 5,420.10

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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.