Home / 7,068.36-10,602.27-2,907.21

Finding the Fourth Proportional to 7,068.36, 10,602.27 and 2,907.21

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Solution

The fourth proportional to 7,068.36, 10,602.27 and 2,907.21 is: 4,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.36 : 10,602.27 = 2,907.21 : x
  2. Step 2: Convert to fraction form
    7,068.36/10,602.27 = 2,907.21/x
  3. Step 3: Cross multiply
    7,068.36x = 10,602.27 × 2,907.21
  4. Step 4: Simplify right side
    7,068.36x = 30,823,025.37
  5. Step 5: Solve for x
    x = 30,823,025.37/7,068.36
  6. Step 6: Final answer
    x = 4,360.70

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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.