Home / 6,900.28-10,300.37-6,386.32

Finding the Fourth Proportional to 6,900.28, 10,300.37 and 6,386.32

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Solution

The fourth proportional to 6,900.28, 10,300.37 and 6,386.32 is: 9,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.28 : 10,300.37 = 6,386.32 : x
  2. Step 2: Convert to fraction form
    6,900.28/10,300.37 = 6,386.32/x
  3. Step 3: Cross multiply
    6,900.28x = 10,300.37 × 6,386.32
  4. Step 4: Simplify right side
    6,900.28x = 65,781,458.94
  5. Step 5: Solve for x
    x = 65,781,458.94/6,900.28
  6. Step 6: Final answer
    x = 9,533.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.