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Finding the Fourth Proportional to 7,345, 10,136.64 and 4,551.04

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Solution

The fourth proportional to 7,345, 10,136.64 and 4,551.04 is: 6,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345 : 10,136.64 = 4,551.04 : x
  2. Step 2: Convert to fraction form
    7,345/10,136.64 = 4,551.04/x
  3. Step 3: Cross multiply
    7,345x = 10,136.64 × 4,551.04
  4. Step 4: Simplify right side
    7,345x = 46,132,254.11
  5. Step 5: Solve for x
    x = 46,132,254.11/7,345
  6. Step 6: Final answer
    x = 6,280.77

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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.