Home / 7,358.65-11,038.32-2,428.72

Finding the Fourth Proportional to 7,358.65, 11,038.32 and 2,428.72

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Solution

The fourth proportional to 7,358.65, 11,038.32 and 2,428.72 is: 3,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.65 : 11,038.32 = 2,428.72 : x
  2. Step 2: Convert to fraction form
    7,358.65/11,038.32 = 2,428.72/x
  3. Step 3: Cross multiply
    7,358.65x = 11,038.32 × 2,428.72
  4. Step 4: Simplify right side
    7,358.65x = 26,808,988.55
  5. Step 5: Solve for x
    x = 26,808,988.55/7,358.65
  6. Step 6: Final answer
    x = 3,643.19

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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.