Home / 5,206.79-7,808.57-1,509.28

Finding the Fourth Proportional to 5,206.79, 7,808.57 and 1,509.28

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Solution

The fourth proportional to 5,206.79, 7,808.57 and 1,509.28 is: 2,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.79 : 7,808.57 = 1,509.28 : x
  2. Step 2: Convert to fraction form
    5,206.79/7,808.57 = 1,509.28/x
  3. Step 3: Cross multiply
    5,206.79x = 7,808.57 × 1,509.28
  4. Step 4: Simplify right side
    5,206.79x = 11,785,297.12
  5. Step 5: Solve for x
    x = 11,785,297.12/5,206.79
  6. Step 6: Final answer
    x = 2,263.45

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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.