Home / 7,477.60-10,315.92-4,332.64

Finding the Fourth Proportional to 7,477.60, 10,315.92 and 4,332.64

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Solution

The fourth proportional to 7,477.60, 10,315.92 and 4,332.64 is: 5,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.60 : 10,315.92 = 4,332.64 : x
  2. Step 2: Convert to fraction form
    7,477.60/10,315.92 = 4,332.64/x
  3. Step 3: Cross multiply
    7,477.60x = 10,315.92 × 4,332.64
  4. Step 4: Simplify right side
    7,477.60x = 44,695,167.63
  5. Step 5: Solve for x
    x = 44,695,167.63/7,477.60
  6. Step 6: Final answer
    x = 5,977.21

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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.