Home / 7,801.64-10,752.18-6,475.40

Finding the Fourth Proportional to 7,801.64, 10,752.18 and 6,475.40

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Solution

The fourth proportional to 7,801.64, 10,752.18 and 6,475.40 is: 8,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.64 : 10,752.18 = 6,475.40 : x
  2. Step 2: Convert to fraction form
    7,801.64/10,752.18 = 6,475.40/x
  3. Step 3: Cross multiply
    7,801.64x = 10,752.18 × 6,475.40
  4. Step 4: Simplify right side
    7,801.64x = 69,624,666.37
  5. Step 5: Solve for x
    x = 69,624,666.37/7,801.64
  6. Step 6: Final answer
    x = 8,924.36

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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.