Home / 6,955.47-10,420.16-4,135.95

Finding the Fourth Proportional to 6,955.47, 10,420.16 and 4,135.95

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Solution

The fourth proportional to 6,955.47, 10,420.16 and 4,135.95 is: 6,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.47 : 10,420.16 = 4,135.95 : x
  2. Step 2: Convert to fraction form
    6,955.47/10,420.16 = 4,135.95/x
  3. Step 3: Cross multiply
    6,955.47x = 10,420.16 × 4,135.95
  4. Step 4: Simplify right side
    6,955.47x = 43,097,240.07
  5. Step 5: Solve for x
    x = 43,097,240.07/6,955.47
  6. Step 6: Final answer
    x = 6,196.17

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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.