Home / 10,527.04-15,782.64-4,977.10

Finding the Fourth Proportional to 10,527.04, 15,782.64 and 4,977.10

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Solution

The fourth proportional to 10,527.04, 15,782.64 and 4,977.10 is: 7,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.04 : 15,782.64 = 4,977.10 : x
  2. Step 2: Convert to fraction form
    10,527.04/15,782.64 = 4,977.10/x
  3. Step 3: Cross multiply
    10,527.04x = 15,782.64 × 4,977.10
  4. Step 4: Simplify right side
    10,527.04x = 78,551,777.54
  5. Step 5: Solve for x
    x = 78,551,777.54/10,527.04
  6. Step 6: Final answer
    x = 7,461.91

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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.