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Finding the Fourth Proportional to 7,460, 10,292.28 and 4,315.04

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Solution

The fourth proportional to 7,460, 10,292.28 and 4,315.04 is: 5,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460 : 10,292.28 = 4,315.04 : x
  2. Step 2: Convert to fraction form
    7,460/10,292.28 = 4,315.04/x
  3. Step 3: Cross multiply
    7,460x = 10,292.28 × 4,315.04
  4. Step 4: Simplify right side
    7,460x = 44,411,599.89
  5. Step 5: Solve for x
    x = 44,411,599.89/7,460
  6. Step 6: Final answer
    x = 5,953.30

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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.