Home / 5,355.23-7,386.40-3,259.49

Finding the Fourth Proportional to 5,355.23, 7,386.40 and 3,259.49

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Solution

The fourth proportional to 5,355.23, 7,386.40 and 3,259.49 is: 4,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.23 : 7,386.40 = 3,259.49 : x
  2. Step 2: Convert to fraction form
    5,355.23/7,386.40 = 3,259.49/x
  3. Step 3: Cross multiply
    5,355.23x = 7,386.40 × 3,259.49
  4. Step 4: Simplify right side
    5,355.23x = 24,075,896.94
  5. Step 5: Solve for x
    x = 24,075,896.94/5,355.23
  6. Step 6: Final answer
    x = 4,495.77

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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.