Home / 4,428.47-6,643.01-1,506.40

Finding the Fourth Proportional to 4,428.47, 6,643.01 and 1,506.40

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Solution

The fourth proportional to 4,428.47, 6,643.01 and 1,506.40 is: 2,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.47 : 6,643.01 = 1,506.40 : x
  2. Step 2: Convert to fraction form
    4,428.47/6,643.01 = 1,506.40/x
  3. Step 3: Cross multiply
    4,428.47x = 6,643.01 × 1,506.40
  4. Step 4: Simplify right side
    4,428.47x = 10,007,017.42
  5. Step 5: Solve for x
    x = 10,007,017.42/4,428.47
  6. Step 6: Final answer
    x = 2,259.70

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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.