Home / 7,715.17-10,646.33-4,358.35

Finding the Fourth Proportional to 7,715.17, 10,646.33 and 4,358.35

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Solution

The fourth proportional to 7,715.17, 10,646.33 and 4,358.35 is: 6,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.17 : 10,646.33 = 4,358.35 : x
  2. Step 2: Convert to fraction form
    7,715.17/10,646.33 = 4,358.35/x
  3. Step 3: Cross multiply
    7,715.17x = 10,646.33 × 4,358.35
  4. Step 4: Simplify right side
    7,715.17x = 46,400,416.64
  5. Step 5: Solve for x
    x = 46,400,416.64/7,715.17
  6. Step 6: Final answer
    x = 6,014.18

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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.