Home / 6,490.56-8,954.10-5,097.36

Finding the Fourth Proportional to 6,490.56, 8,954.10 and 5,097.36

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Solution

The fourth proportional to 6,490.56, 8,954.10 and 5,097.36 is: 7,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.56 : 8,954.10 = 5,097.36 : x
  2. Step 2: Convert to fraction form
    6,490.56/8,954.10 = 5,097.36/x
  3. Step 3: Cross multiply
    6,490.56x = 8,954.10 × 5,097.36
  4. Step 4: Simplify right side
    6,490.56x = 45,642,271.18
  5. Step 5: Solve for x
    x = 45,642,271.18/6,490.56
  6. Step 6: Final answer
    x = 7,032.10

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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.