Home / 4,509.51-6,764.28-1,389.50

Finding the Fourth Proportional to 4,509.51, 6,764.28 and 1,389.50

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Solution

The fourth proportional to 4,509.51, 6,764.28 and 1,389.50 is: 2,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.51 : 6,764.28 = 1,389.50 : x
  2. Step 2: Convert to fraction form
    4,509.51/6,764.28 = 1,389.50/x
  3. Step 3: Cross multiply
    4,509.51x = 6,764.28 × 1,389.50
  4. Step 4: Simplify right side
    4,509.51x = 9,398,967.06
  5. Step 5: Solve for x
    x = 9,398,967.06/4,509.51
  6. Step 6: Final answer
    x = 2,084.25

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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.