Home / 7,130.32-10,690.01-4,358.30

Finding the Fourth Proportional to 7,130.32, 10,690.01 and 4,358.30

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Solution

The fourth proportional to 7,130.32, 10,690.01 and 4,358.30 is: 6,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.32 : 10,690.01 = 4,358.30 : x
  2. Step 2: Convert to fraction form
    7,130.32/10,690.01 = 4,358.30/x
  3. Step 3: Cross multiply
    7,130.32x = 10,690.01 × 4,358.30
  4. Step 4: Simplify right side
    7,130.32x = 46,590,248.79
  5. Step 5: Solve for x
    x = 46,590,248.79/7,130.32
  6. Step 6: Final answer
    x = 6,534.11

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1.5x scale

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.